What most people don't realize is that the foundation for understanding the NEC rules for electrical installations is electrical theory! Whether you're a first-year apprentice still struggling to understand the difference between a volt or ampere, or a veteran electrician trying to sharpen your troubleshooting skills, this product has something for you. We wanted to share a clip from this program to introduce you to the importance of this topic. Please feel free to share this with your friends and co-workers, and for more videos and content on this topic, check out our Electrical Theory Video Library that includes the full program and digital textbook.

Click here or on the thumbnail to the left to view or download the PDF of this section. (1 page, 196 KB) Click on the image above to watch the video The purpose of the National Electrical Code® “is the practical safeguarding of persons and property from hazards arising from the use of electricity” [90.1(A)]. One of those hazards is electrical fires caused by loose conductor terminations to electrical equipment. Take a moment to watch as Mike and a panel of Industry experts discuss the effect a loose electrical termination can have and what you can do about it. For the video click here or on Mike's image. Be sure to download and follow the PDF exerpt from the textbook as you watch the video.

For more information on this topic, get a copy of Mike Holt's Understanding Electrical Theory video program and textbook.